EPA Air · stack tests by year

Air-emissions stack tests in 2020

33,437Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit.

States, 2020

Other years

Air-emissions stack tests recorded in 2020

Date	Facility	Where	Kind	Agency
2020-09-22	CONTINENTAL RESOURCES / HEALEY 5 13 12XHW	TABLER, Grady, OK	Pass	State
2020-09-22	NATURAL GAS PIPELINE CO OF AMERICA / STATION 156	MOUNTAIN VIEW, Kiowa, OK	Pass	State
2020-09-22	MARKWEST OKLAHOMA GAS CO LLC / MYER MOUNTAIN COMPRESSOR STATION — high-priority violation on file	SCIPIO, Pittsburg, OK	Pass	State
2020-09-22	REWORLD TULSA LLC / REWORLD TULSA LLC	TULSA, Tulsa, OK	Pass	State
2020-09-22	ET GATHERING PROCESSING LLC / ROSE VALLEY PLANT	ALVA, Woods, OK	Pass	State
2020-09-22	ET GATHERING PROCESSING LLC / ROSE VALLEY PLANT	ALVA, Woods, OK	Pass	State
2020-09-22	ET GATHERING PROCESSING LLC / ROSE VALLEY PLANT	ALVA, Woods, OK	Pass	State
2020-09-22	TENNESSEE GAS PIPELINE CO/317 TROY STA	TROY, Bradford, PA	Pass	State
2020-09-22	EASTERN GAS TRANS & STORAGE/PUNXSUTAWNEY	PUNXSUTAWNEY, Jefferson, PA	Pass	State
2020-09-22	EQM GATHERING OPCO LLC/PETTIT COMP STA	HOLBROOK, Greene, PA	Pass	State
2020-09-22	GELEST/FALLS	MORRISVILLE, Bucks, PA	Pass	State
2020-09-22	CHESAPEAKE APPALACHIA LLC/MAGGIE BRA WELL PAD	WYALUSING, Bradford, PA	Pass	State
2020-09-22	EXPAND OPERATING LLC/INNES PAD	NEW MILFORD, Susquehanna, PA	Pass	State
2020-09-22	OPMOBILITY EXTERIOR USA, LLC	ANDERSON, Anderson, SC	Fail	State
2020-09-22	LUCK STONE - KERSHAW QUARRY	KERSHAW, Kershaw, SC	Pass	State
2020-09-22	TENNESSEE VALLEY AUTHORITY - GALLATIN FOSSIL PLANT	GALLATIN, Sumner, TN	Pass	State
2020-09-22	VALERO REFINING COMPANY-TN LLC	MEMPHIS, Shelby, TN	Pass	Local
2020-09-22	WAPITI OPERATING LLC	UTAH, Undetermined, UT	Pass	State
2020-09-22	WAPITI OPERATING LLC	UTAH, Undetermined, UT	Pass	State
2020-09-22	HRSD - VIRGINIA INITIATIVE WASTEWATER TREATMENT PLANT	NORFOLK, Norfolk (city), VA	Pass	State
2020-09-22	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Pass	State
2020-09-22	NORTHWEST PIPELINE LLC SNOHOMISH	SNOHOMISH, Snohomish, WA	Pass	Local
2020-09-22	NORTHWEST PIPELINE LLC SNOHOMISH	SNOHOMISH, Snohomish, WA	Pass	Local
2020-09-22	LYNNWOOD, CITY OF, WASTEWATER TREATMENT FACILITY	EDMONDS, Snohomish, WA	Fail	U.S. EPA
2020-09-22	NEENAH FOUNDRY COMPANY - DE PERE OPERATIONS	DE PERE, Brown, WI	Pass	State
2020-09-22	CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file	MANITOWOC, Manitowoc, WI	Pass	State
2020-09-22	LOUISIANA-PACIFIC CORPORATION - HAYWARD	HAYWARD, Shawano, WI	Pass	State
2020-09-22	EQUITRANS, L. P., COPLEY RUN STA. # 70	WESTON, Lewis, WV	Pass	State
2020-09-22	CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file	EVANSVILLE, Natrona, WY	Pass	State
2020-09-21	US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file	FAIRBANKS, Fairbanks North Star, AK	Pass	State
2020-09-21	US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file	FAIRBANKS, Fairbanks North Star, AK	Pass	State
2020-09-21	WESTROCK COATED BOARD LLC-MAHRT MILL	PHENIX CITY, Russell, AL	Pass	State
2020-09-21	WESTROCK COATED BOARD LLC-MAHRT MILL	PHENIX CITY, Russell, AL	Pass	State
2020-09-21	WESTROCK COATED BOARD LLC-MAHRT MILL	PHENIX CITY, Russell, AL	Pass	State
2020-09-21	ENTERGY ARKANSAS, LLC - INDEPENDENCE PLANT	NEWARK, Independence, AR	Pass	State
2020-09-21	SOUTHERN CALIF GAS CO	MARICOPA, Kern, CA	Pass	State
2020-09-21	SOUTHERN CALIF GAS CO	MARICOPA, Kern, CA	Pass	State
2020-09-21	SOUTHERN CALIF GAS CO	MARICOPA, Kern, CA	Pass	State
2020-09-21	SOUTHERN CALIF GAS CO	MARICOPA, Kern, CA	Pass	State
2020-09-21	SOUTHERN CALIF GAS CO	MARICOPA, Kern, CA	Pass	State
2020-09-21	SOUTHERN CALIF GAS CO	MARICOPA, Kern, CA	Pass	State
2020-09-21	SOUTHERN CALIF GAS CO	MARICOPA, Kern, CA	Pass	State
2020-09-21	SOUTHERN CALIF GAS CO	MARICOPA, Kern, CA	Pass	State
2020-09-21	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	GROVER 11.0 MI. NW OF, Weld, CO	Pass	State
2020-09-21	LAKELAND ELECTRIC	LAKELAND, Polk, FL	Pass	State
2020-09-21	LAKELAND ELECTRIC	LAKELAND, Polk, FL	Pass	State
2020-09-21	LAKELAND ELECTRIC	LAKELAND, Polk, FL	Pass	State
2020-09-21	LAKELAND ELECTRIC	LAKELAND, Polk, FL	Pass	State
2020-09-21	LAKELAND ELECTRIC	LAKELAND, Polk, FL	Pass	State
2020-09-21	LAKELAND ELECTRIC	LAKELAND, Polk, FL	Pass	State
2020-09-21	CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file	AUGUSTA, Richmond, GA	Pass	State
2020-09-21	AMSTED RAIL COMPANY, INC	KEOKUK, Lee, IA	Pass	State
2020-09-21	ALUMINUM RECOVERY TECHNOLOGIES LTD	KENDALLVILLE, Noble, IN	Pass	State
2020-09-21	KNIFE RIVER CENTRAL MINNESOTA	SAUK RAPIDS, Benton, MN	Pass	State
2020-09-21	NUCOR STEEL SEDALIA LLC	SEDALIA, Pettis, MO	Pending	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	IDEKER, INC (PORT-0805)	PORTABLE, Undetermined, MO	Pass	State
2020-09-21	NORTH COMPACTION PLANT WEST FLOATATION AND HB PLANT	CARLSBAD, Eddy, NM	Pass	State
2020-09-21	XTO - LOS DOS MEDANOS TANK BATTERY	MALAGA, Eddy, NM	Pass	State
2020-09-21	XTO - LOS DOS MEDANOS TANK BATTERY	MALAGA, Eddy, NM	Pass	State
2020-09-21	TAP ROCK OPERATING - PLINY FACILITY	CARLSBAD, Eddy, NM	Pass	State
2020-09-21	TAP ROCK OPERATING - PLINY FACILITY	CARLSBAD, Eddy, NM	Pass	State
2020-09-21	VALLEY ASPHALT #14	NEWTOWN, Hamilton, OH	Pass	State
2020-09-21	SHEPHERD CHEMICAL CO	NORWOOD, Hamilton, OH	Pass	State
2020-09-21	SHEPHERD CHEMICAL CO	NORWOOD, Hamilton, OH	Pass	State
2020-09-21	UNBRIDLED RESOURCES LLC / ROCK CREEK 36X25 20 26 PAD	SHATTUCK, Ellis, OK	Pass	State
2020-09-21	ET GATHERING PROCESSING LLC / MURRAY COMPRESSOR STATION	PURDY, Garvin, OK	Pass	State
2020-09-21	ET GATHERING PROCESSING LLC / MURRAY COMPRESSOR STATION	PURDY, Garvin, OK	Pass	State
2020-09-21	ET GATHERING PROCESSING LLC / MURRAY COMPRESSOR STATION	PURDY, Garvin, OK	Pass	State
2020-09-21	MARKWEST OKLAHOMA GAS CO LLC / MYER MOUNTAIN COMPRESSOR STATION — high-priority violation on file	SCIPIO, Pittsburg, OK	Pass	State
2020-09-21	ET GATHERING PROCESSING LLC / DOYLE COMPRESSOR STATION	VELMA, Stephens, OK	Pass	State
2020-09-21	ET GATHERING PROCESSING LLC / VANARKEL COMPRESSOR STATION	BRAY, Stephens, OK	Pass	State
2020-09-21	ET GATHERING PROCESSING LLC / VANARKEL COMPRESSOR STATION	BRAY, Stephens, OK	Pass	State
2020-09-21	ET GATHERING PROCESSING LLC / ROSE VALLEY PLANT	ALVA, Woods, OK	Pass	State
2020-09-21	COTERRA ENERGY INC/ANDERSON R PAD 1 — high-priority violation on file	MESHOPPEN, Susquehanna, PA	Pass	State
2020-09-21	SANTEE COOPER WINYAH GENERATING STATION	GEORGETOWN, Georgetown, SC	Pass	State
2020-09-21	EGT DEVELOPMENT, LLC	LONGVIEW, Cowlitz, WA	Pass	Local
2020-09-21	EGT DEVELOPMENT, LLC	LONGVIEW, Cowlitz, WA	Pass	Local
2020-09-21	EGT DEVELOPMENT, LLC	LONGVIEW, Cowlitz, WA	Pass	Local
2020-09-21	EGT DEVELOPMENT, LLC	LONGVIEW, Cowlitz, WA	Pass	Local
2020-09-21	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2020-09-21	GRANGER SODA ASH FACILITY (WE SODA WYOMING LP)	GRANGER, Sweetwater, WY	Pass	State
2020-09-20	HILCORP ALASKA, LLC / CENTRAL GAS FACILITY (CGF) — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	Pass	State
2020-09-20	LES TERRY BUNDY GENERATING STATION	LINCOLN, Lancaster, NE	Pass	State
2020-09-19	BONANZA POWER PLANT	BONANZA, Uintah, UT	Pass	U.S. EPA
2020-09-19	BONANZA POWER PLANT	BONANZA, Uintah, UT	Pass	U.S. EPA
2020-09-19	GREEN BAY PACKAGING SHIPPING CONTAINER D	GREEN BAY, Brown, WI	Pass	State
2020-09-19	AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT	GRANT TOWN, Marion, WV	Pass	State
2020-09-19	LOVELL PLANT (GEORGIA-PACIFIC GYPSUM)	LOVELL, Big Horn, WY	Fail	State
2020-09-18	US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file	FAIRBANKS, Fairbanks North Star, AK	Pass	State
2020-09-18	HILCORP ALASKA, LLC / MILNE POINT PRODUCTION FACILITY (MPU)	NORTH SLOPE BOROUGH, North Slope, AK	Pass	State
2020-09-18	TRANSCONTINENTAL GAS PIPE LINE COMPANY L	MARION JUNCTION, Dallas, AL	Pass	State
2020-09-18	SOUTHERN NATURAL GAS	YORK, Sumter, AL	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in 2020. It lists 33,437 stack tests recorded nationwide in 2020.